/*
 * yocef - Developer's guide
 *
 * Copyright (c) 2009, Yves Cuillerdier
 * All rights reserved.
 * 
 * This software is licensed under the new BSD License:
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright notice, 
 * this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution.
 * 
 * Neither the name of the author nor the names of its contributors may 
 * be used to endorse or promote products derived from this software without 
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * @version 0.1.0
 */

package yocef.devguide.client;

import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FormPanel;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PasswordTextBox;
import com.google.gwt.user.client.ui.TextBox;

/**
 * The registering view.
 * <p>
 * The view is a <tt>Form</tt> with two text box (Id and Password) and a submit
 * button.
 * <p>
 * Notice that we do not handle any event here !!
 */
@SuppressWarnings("nls")
public class RegisteringView extends FormPanel {

	/** the user id text box */
	private final TextBox id;
	/** the password text box */
	private final PasswordTextBox passwd;
	/** The submit button */
	private final Button submit;

	/** The Grid form */
	private final Grid grid;

	/**
	 * Create a View.
	 */
	public RegisteringView() {
		setEncoding(FormPanel.ENCODING_MULTIPART);
		setMethod(FormPanel.METHOD_POST);

		// === Draw the form : This is the view responsibility!
		// Set form elements in a grid
		grid = new Grid(3, 3);
		add(grid);

		// ID
		grid.setWidget(0, 0, new Label("Choose an ID:"));

		id = new TextBox();
		id.setName("userid");
		grid.setWidget(0, 1, id);

		// Password
		grid.setWidget(1, 0, new Label("Enter Password:"));
		passwd = new PasswordTextBox();
		passwd.setName("passwd");
		grid.setWidget(1, 1, passwd);

		// Submit Button
		submit = new Button("Submit");
		grid.setWidget(2, 1, submit);
	}

	/**
	 * Put or clear a message at the right of the ID
	 * 
	 * @param msg
	 *            the message (html)
	 */
	public void setIdMessage(final String msg) {
		if (msg == null) {
			grid.clearCell(0, 2);
		} else {
			grid.setWidget(0, 2, new HTMLPanel(msg));
		}
	}

	/**
	 * Put or clear a message at the right of the PWD
	 * 
	 * @param msg
	 *            the message (html)
	 */
	public void setPwdMessage(final String msg) {
		if (msg == null) {
			grid.clearCell(1, 2);
		} else {
			grid.setWidget(1, 2, new HTMLPanel(msg));
		}
	}

	/**
	 * @return the TextBox for the Id
	 */
	public TextBox getIdTextBox() {
		return id;
	}

	/**
	 * @return the TextBoxFor the passwd
	 */
	public PasswordTextBox getPwdTextBox() {
		return passwd;
	}

	/**
	 * @return the submit Button
	 */
	public Button getSubmitButton() {
		return submit;
	}

}
